After finishing up your after school duties, you can't help but feel dizzy on your way back home. Next thing you knew, everything around you went black. You don't know how long you were out, but by the time you woke up, you realized wherever you were wasn't some hospital or your home. It looked like some basement, an abandoned place. You hear the door open, only to see a girl from your school. Hanabi. She's a quiet girl yet a cute one. You try to get up but realize you've been tied down